﻿/*
 * Copyright (c) 2011 Shawn Rakowski
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to 
 * deal in the Software without restriction, including without limitation the 
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 
 * sell copies of the Software, and to permit persons to whom the Software is 
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in 
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
 * SOFTWARE. 
 * 
 */

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ROS.Application;
using ROS.Application.DTO;
using ROS.Presentation.Views;
using ROS.Presentation.Views.Data;

namespace ROS.Presentation.Presenters
{
    public class UserListPresenter : Presenter<IUserListView>
    {
        #region Fields
        #endregion

        #region Properties
        #endregion

        #region Constructor

        public UserListPresenter(IUserListView view)
            : base(view)
        {
        }

        #endregion

        #region Methods

        protected override void WireViewEvents()
        {
            view.LoadView += new EventHandler(view_LoadView);
            view.RefreshView += new EventHandler(view_RefreshView);
            view.AddUser += new EventHandler(view_AddUser);
            view.DeleteUser += new EventHandler(view_DeleteUser);
            view.ToggleManager += new EventHandler(view_ToggleManager);
            view.Done += new EventHandler(view_Done);
        }

        void view_LoadView(object sender, EventArgs e)
        {
            UpdateUserList();
        }

        void view_RefreshView(object sender, EventArgs e)
        {
            UpdateUserList();
        }

        void view_AddUser(object sender, EventArgs e)
        {
            ViewController.NavigateTo("AddUserView");
        }

        void view_DeleteUser(object sender, EventArgs e)
        {
            UserViewData userViewData = view.GetSelectedListViewItem();
            if (userViewData != null)
            {
                if (view.ConfirmDeleteUser())
                {
                    ROSApplication rosAppl = new ROSApplication();
                    rosAppl.DeleteUser(userViewData.ID);
                    UpdateUserList();
                }
            }
        }

        void view_ToggleManager(object sender, EventArgs e)
        {
            UserViewData userViewData = view.GetSelectedListViewItem();
            if (userViewData != null)
            {
                ROSApplication rosAppl = new ROSApplication();
                rosAppl.SetUserManagerialStatus(userViewData.ID, !userViewData.IsManager);
                UpdateUserList();
            }
        }

        void view_Done(object sender, EventArgs e)
        {
            ViewController.NavigateTo("ManagementDashboardView");
        }

        protected override void UnwireViewEvents()
        {
            view.LoadView -= new EventHandler(view_LoadView);
            view.RefreshView -= new EventHandler(view_RefreshView);
            view.AddUser -= new EventHandler(view_AddUser);
            view.DeleteUser -= new EventHandler(view_DeleteUser);
            view.ToggleManager -= new EventHandler(view_ToggleManager);
            view.Done -= new EventHandler(view_Done);
        }

        /// <summary>
        /// Update the list of users that are viewed on the screen.
        /// </summary>
        private void UpdateUserList()
        {
            ROSApplication rosServer = new ROSApplication();
            IList<UserDTO> userDTOList;
            ROSStatus status  = rosServer.GetActiveUsers(out userDTOList);
            List<UserViewData> userViewDataList = new List<UserViewData>();
            foreach (UserDTO userDTO in userDTOList)
            {
                UserViewData userViewData = new UserViewData();
                userViewData.ID = userDTO.ID;
                userViewData.FirstName = userDTO.FirstName;
                userViewData.LastName = userDTO.LastName;
                userViewData.IsManager = userDTO.IsManager;
                userViewDataList.Add(userViewData);
            }
            view.ListViewData = userViewDataList;
        }

        #endregion
    }
}
